Home / 269,076.75-403,664.72-111,317.51

Finding the Fourth Proportional to 269,076.75, 403,664.72 and 111,317.51

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Solution

The fourth proportional to 269,076.75, 403,664.72 and 111,317.51 is: 166,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,076.75 : 403,664.72 = 111,317.51 : x
  2. Step 2: Convert to fraction form
    269,076.75/403,664.72 = 111,317.51/x
  3. Step 3: Cross multiply
    269,076.75x = 403,664.72 × 111,317.51
  4. Step 4: Simplify right side
    269,076.75x = 44,934,949,347.78
  5. Step 5: Solve for x
    x = 44,934,949,347.78/269,076.75
  6. Step 6: Final answer
    x = 166,996.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.